acotyledon

[ ey-kot-l-eed-n, ey-kot- ]

/ ˈeɪˌkɒt lˈid n, eɪˌkɒt- /

noun

a plant without cotyledons, therefore one belonging to a group lower than the seed plants.

Nearby words

acorn sugar, acorn tube, acorn valve, acorn worm, acosta's disease, acotyledon, acouasm, acouchi, acousma, acoustic, acoustic aphasia

Origin of acotyledon

First recorded in 1810–20; a-⁶ + cotyledon

Related forms

a·cot·y·le·don·ous

[ey-kot-l-eed-n-uh s, ey-kot-] /ˈeɪˌkɒt lˈid n əs, eɪˌkɒt-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for acotyledon

acotyledon

/ (əˌkɒtɪˈliːdən) /

noun

any plant, such as a fern or moss, that does not possess cotyledons

Derived Forms

acotyledonous, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012